100b85a1e544ca868a5498cc88fb5d5f5775fa70bb336c87efa07528bc313271

Analysis

max time kernel
134s
max time network
139s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
21-08-2024 19:11

Target

MultiMC/libLauncher_iconfix.dll
Size

127KB
MD5

84acb289049b167366875f61b5596752
SHA1

523a7a2d0df5be5e1f0c99cd2c63e4d1db38afa7
SHA256

055f67a18e58c8637cb2cd8a58f9c05bb942521465954e18722564e0337776be
SHA512

99f35bf4f0418c0aac19d2e35e29708dc21011ee4adfdabb180c1deefeeb71f0cbaf953584d158c6d6de332a1d9480092de79b42ed0ed8420b3b49370aee7b9d
SSDEEP

3072:hUhA8S8fo6OjGyy1zWmC00TEUmIKOpS8aNx5tnzgp:KhA8S8fo6OjGJ1zWLTEUmIKOpS8aNx5Q

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3088 744 WerFault.exe rundll32.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
3088	744	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1548 wrote to memory of 744	1548	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 744	1548	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 744	1548	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_iconfix.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1548

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_iconfix.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 624
3⤵
- Program crash
PID:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 744 -ip 744
1⤵
PID:812

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/744-1-0x00000000034A0000-0x00000000039CF000-memory.dmp

Filesize
5.2MB

Download
memory/744-5-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/744-3-0x00000000034A0000-0x00000000039CF000-memory.dmp

Filesize
5.2MB

Download
memory/744-6-0x00000000034A1000-0x0000000003749000-memory.dmp

Filesize
2.7MB

Download
memory/744-7-0x00000000034A0000-0x00000000039CF000-memory.dmp

Filesize
5.2MB

Download
memory/744-10-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

Filesize
48KB

Download
memory/744-9-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/744-8-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/744-12-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/744-11-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/744-15-0x00000000034A0000-0x00000000039CF000-memory.dmp

Filesize
5.2MB

Download
memory/744-13-0x0000000061940000-0x0000000061EB5000-memory.dmp

Filesize
5.5MB

Download